Litmus paper, long known as a low-tech method of testing substances for acidity, might have a new use as a cheap, quick way to test for E. coli, according to researchers at McMaster University in ...

Uncertainty and fear about coronavirus’ spread and the course of the illness is causing shockwaves in our daily lives. A simple paper test could provide answers to basic questions and shape a sensible ...

Researchers at the Harvard Wyss Institute have developed a simple, printed paper test that could be used for pathogen detection, including cases of ebola. Michelle Starr is CNET's science editor, and ...